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Home >> Smart >> 2012 >> Fortwo Pure >> Repair and Diagnosis (Single Page) >> Collision >> Body Panels >> Rear Wall & Rear End - 451 Chassis >> Testing & Repair >> Replace end crossmember internal part - AR64.20-P-1120MCC

Replace end crossmember internal part - AR64.20-P-1120MCC

MODEL 451.3/4 

Shown on model 451.3 

Fig 1: Identifying End Crossmember Inner Panel
G10978740Courtesy of MERCEDES-BENZ USA
REMOVING Removing     
DANGER Risk of death  caused by high voltage used for electric welding. Risk of explosion  caused by welding in the area of highly inflammable materials. Risk of injury  caused by welding splatter and UV light while welding. Risk of poisoning  caused by inhaling welding fumes. Use insulating mats. Wear protective clothing, safety glasses and protective mask. Remove highly inflammable materials from the hazard area. Use air extractor system. AS00.00-Z-0007-01A
DANGER Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. AS00.00-Z-0017-01A
NOTES Measures for preventing damage to vehicles or components when performing electric welding work   AH00.00-P-0005-01FF
NOTES Notes on performing repair, body work and welding on vehicles with airbags and ETR units   AH91.00-P-0002-01SM
NOTES General information on riveting   AH60.00-P-0003-01MCC
IMPORTANT Notes on replacing body parts   AH60.00-P-0027-01FF
IMPORTANT General information on body repair   AH60.00-P-0001-01FF
IMPORTANT The following workshop equipment and tools are required for repair: Round wire brush
 
Backup pad
 
Hard metal ball cutter
 
Cartridge gun
 
Drill
 
Angle grinder
 
Wet/dry vacuum cleaner
 
Spot weld milling cutter
 
Vise grip pliers
 
Inverter spot welder
 
Passenger car straightening system (Celette)
 
 
  Tarp (fire-resistant) Welding protective blanket
 
 
1 Remove detachable parts in the repair area    
2 Cover all detachable parts remaining in vehicle (area to be repaired) NOTES Use fireproof tarp to avoid damage from flying sparks.  
3 Set up straightening bench with straightening bracket and attach vehicle IMPORTANT Observe setup plans.  
  Setup plans Straightening system for passenger cars (Car-O-Liner)
 
 
4 Remove end plate   AR64.20-P-5731MCC 
5 Remove end crossmember inner panel (1)   AR64.20-P-1120-01MCC
6 Prepare end crossmember inner panel (1) for installation   AR64.20-P-1120-02MCC
    Zinc dust paint suitable for spot welding *BR00.45-Z-1001-07A 
7 Prepare connecting points on body   AR64.20-P-1120-04MCC
    Zinc dust paint suitable for spot welding *BR00.45-Z-1001-07A 
INSTALLING Install     
8 Install and weld in end crossmember inner section (1)   AR64.20-P-1120-03MCC
9 Install end plate   AR64.20-P-5731MCC 
10 Clean welds and sheet metal flange with wire brush and clean areas to be repaired    
11 Prime repair area using primer filler    
12 Supply standard seam seals with body sealant   AR97.10-P-4000MCC
    Sealant *BR00.45-Z-1003-01A 
13 Supplement standard underbody protection with permanent underbody sealant Underfloor protection *BR00.45-Z-1001-05A 
14 Paint repair area adjacent surfaces    
IMPORTANT Notes on paintwork repairs   AH98.00-P-9408-02MCC
15 Apply additional cavity preservation    
    Teroson protective wax *BR00.45-Z-1008-05A 
16 Reinstall all detachable parts removed    
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1003-01A White sealing compound, 310 ml, DBL 6069.20 A 001 989 63 20
BR00.45-Z-1001-05A Underfloor protection 800 ml A 001 986 46 10
BR00.45-Z-1008-05A Teroson protective wax Henkel Loctite
  Art. no.: 122.73Q  
BR00.45-Z-1001-07A Zinc dust paint suitable for spot welding A 000 986 34 42